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  <title>存储一个文件至 FTP 服务器（non-blocking）</title>
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  <div id="layout-content"><div id="function.ftp-nb-put" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ftp_nb_put</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ftp_nb_put</span> &mdash; <span class="dc-title">存储一个文件至 FTP 服务器（non-blocking）</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.ftp-nb-put-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ftp_nb_put</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type">resource</span> <code class="parameter">$ftp_stream</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type">string</span> <code class="parameter">$remote_file</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type">string</span> <code class="parameter">$local_file</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code><span class="initializer"> = <strong><code>FTP_BINARY</code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type">int</span> <code class="parameter">$startpos</code><span class="initializer"> = 0</span></span><br>): <span class="type">int</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>ftp_nb_put()</strong></span> 函数用来把本地文件 <code class="parameter">local_file</code>
   存储到 FTP 服务器上由 <code class="parameter">remote_file</code> 参数指定的路径。
  </p>
  <p class="para">
   与函数 <span class="function"><a href="function.ftp-put.html" class="function">ftp_put()</a></span>
   不同的是，此函数上传文件的时候采用的是异步传输模式，也就意味着在文件传送的过程中，你的程序可以继续干其它的事情。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.ftp-nb-put-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">ftp_stream</code></dt>

     <dd>

      <p class="para">
       FTP 连接的链接标识符。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">remote_file</code></dt>

     <dd>

      <p class="para">
       远程文件路径。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">local_file</code></dt>

     <dd>

      <p class="para">
       本地文件路径。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">mode</code></dt>

     <dd>

      <p class="para">
       传输模式选择，可选参数为 <strong><code>FTP_ASCII</code></strong>（文本模式）或
       <strong><code>FTP_BINARY</code></strong>（二进制模式）。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">startpos</code></dt>

     <dd>

      <p class="para">指定传输开始的位置，用来续传支持。</p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.ftp-nb-put-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   返回 <strong><code>FTP_FAILED</code></strong> 或 <strong><code>FTP_FINISHED</code></strong>
   或 <strong><code>FTP_MOREDATA</code></strong>。
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.ftp-nb-put-changelog">
  <h3 class="title">更新日志</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>版本</th>
      <th>说明</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>7.3.0</td>
      <td>
       <code class="parameter">mode</code> 参数为可选，之前版本中为必填。
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.ftp-nb-put-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4283">
    <p><strong>示例 #1 <span class="function"><strong>ftp_nb_put()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;初始化<br /></span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_nb_put</span><span style="color: #007700">(</span><span style="color: #0000BB">$my_connection</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"test.remote"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"test.local"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">FTP_BINARY</span><span style="color: #007700">);<br />while&nbsp;(</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">==&nbsp;</span><span style="color: #0000BB">FTP_MOREDATA</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;可以同时干其它事<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">"."</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;继续上传...<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_nb_continue</span><span style="color: #007700">(</span><span style="color: #0000BB">$my_connection</span><span style="color: #007700">);<br />}<br />if&nbsp;(</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">!=&nbsp;</span><span style="color: #0000BB">FTP_FINISHED</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"上传过程中发生错误..."</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;exit(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
   <div class="example" id="example-4284">
    <p><strong>示例 #2 使用 <span class="function"><strong>ftp_nb_put()</strong></span> 来续传文件</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;初始化<br /></span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_nb_put</span><span style="color: #007700">(</span><span style="color: #0000BB">$my_connection</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"test.remote"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"test.local"</span><span style="color: #007700">,&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">FTP_BINARY</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">ftp_size</span><span style="color: #007700">(</span><span style="color: #DD0000">"test.remote"</span><span style="color: #007700">));<br /></span><span style="color: #FF8000">//&nbsp;另一种写法:&nbsp;$ret&nbsp;=&nbsp;ftp_nb_put($my_connection,&nbsp;"test.remote",&nbsp;"test.local",&nbsp;<br />//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FTP_BINARY,&nbsp;FTP_AUTORESUME);<br /><br /></span><span style="color: #007700">while&nbsp;(</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">==&nbsp;</span><span style="color: #0000BB">FTP_MOREDATA</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;可以同时干其它事情<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">"."</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;继续上传...<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_nb_continue</span><span style="color: #007700">(</span><span style="color: #0000BB">$my_connection</span><span style="color: #007700">);<br />}<br />if&nbsp;(</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">!=&nbsp;</span><span style="color: #0000BB">FTP_FINISHED</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"上传过程中发生错误..."</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;exit(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ftp-nb-put-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ftp-nb-fput.html" class="function" rel="rdfs-seeAlso">ftp_nb_fput()</a> - 将文件存储到 FTP 服务器 （非阻塞）</span></li>
    <li class="member"><span class="function"><a href="function.ftp-nb-continue.html" class="function" rel="rdfs-seeAlso">ftp_nb_continue()</a> - 连续获取／发送文件（以不分块的方式 non-blocking）</span></li>
    <li class="member"><span class="function"><a href="function.ftp-put.html" class="function" rel="rdfs-seeAlso">ftp_put()</a> - 上传文件到 FTP 服务器</span></li>
    <li class="member"><span class="function"><a href="function.ftp-fput.html" class="function" rel="rdfs-seeAlso">ftp_fput()</a> - 上传一个已经打开的文件到 FTP 服务器</span></li>
   </ul>
  </p>
 </div>

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